Task-Oriented Seat Assembly With Zoned Deflection Support
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional task-oriented seating fails to provide sufficient support and comfort, especially for users who need to move frequently and vary in shape and size, leading to discomfort and pressure issues during long periods of use.
Innovation Solution
A seat assembly with a movable seat and support system featuring a cushioned armature with bias elements, force-absorbing mounts, and adjustable components to accommodate different anatomical features and user positions, allowing for customized support and deflection to reduce pressure points and enhance comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional task-oriented seating is used, then users can perform active tasks while seated, but insufficient support and comfort are provided over long periods
Solution Approach 1:
The seat is divided into multiple independent deflection zones (front, middle, rear) with separate bias elements that can deflect independently. This segmentation allows each zone to provide optimized support for different anatomical regions during extended seating periods, resolving the contradiction between support reliability and duration.
Solution Approach 2:
The seat incorporates dynamic deflection capabilities where the seat structure actively adapts to user movements and weight distribution through movable components and bias elements. This dynamic response maintains comfort and support reliability over long durations by continuously adjusting to user needs.
2Ease of operation
If conventional task-oriented seating is used, then users can lean forward for tasks, but pressure issues and discomfort occur on thighs and sensitive areas
Solution Approach 1:
Different regions of the seat are designed with different deflection characteristics - the front and middle zones allow greater deflection to relieve thigh pressure, while the rear zone provides firmer support. This local differentiation enables forward leaning for tasks without creating harmful pressure points.
3Adaptability or versatility
If conventional task-oriented seating is used, then basic seating function is provided, but insufficient adaptability to various user shapes, sizes and positions
Solution Approach 1:
The seat uses multiple bias elements with different deflection parameters arranged in specific zones to accommodate various user anatomies and positions. By varying the deflection characteristics across different seat regions rather than using a single adjustable mechanism, the system achieves high adaptability with moderate complexity.
4Ease of operation
If conventional task-oriented seating is used, then ingress and egress can be performed, but repeated movement causes discomfort and reduces comfort over time
Solution Approach 1:
The dynamic deflection zones and movable seat components return to optimal support positions after each user movement, maintaining comfort reliability even after repeated ingress and egress. The elastic bias elements provide consistent support characteristics that recover from deformation caused by user movement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides improved comfort, support, and adaptability to various user shapes and positions, reducing pressure on sensitive areas and preventing sliding, thus enhancing the overall seating experience for users engaged in active tasks.
Implementation Method 1
The seat has a cushion molded over a supporting armature with multiple bias elements... at least some of the multiple bias elements can be positioned in the rear area to be individually deflectable to support the user's ischial tuberosities
Implementation Method 2
The seat can be coupled to the seat support by multiple force absorbing mounts and/or force isolating mounts. The mounts can comprise resilient bushing members.
Implementation Method 3
The seat can be coupled to the seat support by at least one slide on the armature positioned to slidingly engage a ramp on the seat support. The slide can be positioned, when the seat is in use, to move laterally or vertically on the ramp relative to a medial axis of the seat, as well to rotate relative to one or both of two horizontal axes.
Data Source
AI summary
A seat assembly for task-oriented seating comprises a seat support and a seat coupled to the seat support. The seat is movable under load, such as from the user's weight and movements, relative to the seat support. The seat has a cushion molded over a supporting armature with multiple bias elements. The seat and seat support are configured to deflect by predetermined amounts at defined locations over an extent of the seat assembly. In this way, the seat assembly provides for a range of comfortable and effective positions for users engaged in different active motions and having different preferences and sizes.